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Showing posts from January, 2017

Three sums of electrical power have been discussed in this video. This is the second part of sum discussion . Sum 1: A water heater has a rating of 4 KVA , 240 V.
a) What is the electrical energy consumed by it in:
i)KWhr and
ii) in Joul.
if it is used for 180 minutes.
b) Find the cost of electricity if the rate is
Rs. 7.00 per commercial unit.
+ Solution 1 - Close Solution 1 Sum 2: The water in an electric kettle took 5 minutes to reach its boiling point when it is connected to 220 v supply.
How long would it have taken if the supply voltage had fallen to 200 v. + Solution 2 - Close Solution 2 Sum 3: What is the resistance under normal working conditions of 240V electric lamp rated at 60 W ? If two such lamps are connected in series across a 240 mains supply, explain why each one appears less bright. + Solution 3 - Close Solution 3

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Paraphrase of The Merchant Of Venice ACT 1 SCENE 1 Class 9,10

1."Line 1 to 7 speech of Antonio" In truth I know not why Iam so sad.It makes me tired.But I still don't know how I have it,found it or came by it.What it is made up of and what os its origin.This sadness makes me so absent-minded that I do not know who Iam. 2.Line 8to 14speech of Salarino
You are stressed because you are worried about your rich ships (argosies ) which are sailing stately like gentlemen and important citizens on sea surface.Or as it is procesion of the sea to surpass the small commercial boats by these argosies.The small ships move up and down as if they were showing respect ,As if they speed fast by them with their canvas sailing.3.Line 15 to 22 speech of Salanio
Sir believe me If I had such a business operation the better part of my affection would be sailing at the sea.I should be holding up the grass blade to see in which direction the wind is blowing.I would be looking for ports , harbors and channels and every which w…